112726921 has 4 divisors (see below), whose sum is σ = 112810752. Its totient is φ = 112643092.

The previous prime is 112726909. The next prime is 112726927. The reversal of 112726921 is 129627211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112726921 - 2⁷ = 112726793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112726927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39865 + ... + 42598.

It is an arithmetic number, because the mean of its divisors is an integer number (28202688).

Almost surely, 2^112726921 is an apocalyptic number.

It is an amenable number.

112726921 is a deficient number, since it is larger than the sum of its proper divisors (83831).

112726921 is an equidigital number, since it uses as much as digits as its factorization.

112726921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83830.

The product of its digits is 3024, while the sum is 31.

The square root of 112726921 is about 10617.2934875137. The cubic root of 112726921 is about 483.0690518207.

The spelling of 112726921 in words is "one hundred twelve million, seven hundred twenty-six thousand, nine hundred twenty-one".